Yanira Maldonado, 42, center, accompanied by her husband, Gary, right, speaks to media after being released from a prison on the outskirts of Nogales, Mexico late Thursday, May 30, 2013. Maldonado, jailed in Mexico on a drug-smuggling charge, was released after court officials reviewed her case. She was arrested by the Mexican military last week after they found nearly 12 pounds (5.4 kilograms) of pot under her seat on the commercial bus traveling from Mexico to Arizona. (AP Photo/Cristina Silva)

This 2012 file photo provided by the Maldonado family shows Gary and Yanira Maldonado. Yanira Maldonado, jailed in Mexico on a drug-smuggling charge, was released late Thursday night, May 30, 2013, after court officials reviewed her case. Maldonado was arrested by the Mexican military last week after they found nearly 12 pounds (5.4 kilograms) of pot under her seat on the commercial bus traveling from Mexico to Arizona. (AP Photo/Maldonado Family, File)

NOGALES, Mexico (AP) — An Arizona woman held in a Mexico jail for a week after federal police said they found 12 pounds of marijuana under her bus seat was freed and returned to the U.S. after a court reviewed her case, including key security footage, and dismissed the allegations.

Yanira Maldonado, 42, walked out of the prison on the outskirts of Nogales, Mexico, and into her husband's arms late Thursday and crossed through the Nogales port of entry into Arizona. After spending the night in a hotel, she drove away with a police escort at midmorning Friday and was expected to return to her Phoenix-area home to be reunited with her children.

Maldonado spoke briefly after her release, thanking U.S. State Department officials, her husband, her lawyers and prison workers who made her stay comfortable.

"Many thanks to everyone, especially my God who let me go free, my family, my children, who with their help, I was able to survive this test," she said.

Maldonado also said at a news conference later that she still loves Mexico, and the experience will not stop her from returning in the future to visit family there.

"It's not Mexico's fault. It's a few people who did this to me and probably other people, who knows?" Maldonado said. "I'm still going to go back."

The family's lawyer in Nogales, Jose Francisco Benitez Paz, said a judge determined Thursday that Maldonado was no longer a suspect, and all allegations against her were dropped. Prosecutors are appealing the ruling, but Benitez said that is routine and Maldonado will not have to return to testify.

Maldonado's release came hours after court officials reviewed security footage that showed the couple boarding a commercial bus traveling from Mexico to Phoenix with only blankets, bottles of water and her purse in hand.

U.S. politicians portrayed her as a victim of a corrupt judicial system and demanded her release, with Arizona congressmen saying they were working closely with Mexican authorities.

Sen. Jeff Flake, R-Ariz., who previously said he has had "multiple conversations with the deputy Mexican ambassador," on Friday welcomed Maldonado's release.

"Though I'm sure this last week has been a nightmare for her, I'm thankful that Mrs. Maldonado's clear innocence was proved and that she is now home safe with her family," he said in a statement released by his office.

Arizona Gov. Jan Brewer said her administration had been closely monitoring Maldonado's case and been talking with authorities on both sides of the border.

"As Americans, we all know that our precious constitutional rights don't extend beyond our nation's borders," she said. "It is this kind of case that once again illustrates how blessed we are in this country. Most of all, I am so happy for the Maldonado family that they can now put this chapter of their lives behind them."

The judge had until late Friday to decide whether to free Maldonado or send her to another prison in Mexico while state officials built their case.

Maldonado was arrested by the Mexican military last week after they found nearly 12 pounds (5.4 kilograms) of pot under her seat during a security checkpoint.

Benitez noted it was a fairly sophisticated smuggling effort that included packets of drugs attached to the seat bottoms with metal hooks — a task that would have been impossible for a passenger. He said witness testimony and the surveillance video showed Maldonado was innocent.

"There is justice in this country," he said.

Maldonado husband, Gary Maldonado, said he originally was arrested after the pot was found under his wife's bus seat. But after Yanira Maldonado begged the soldiers to allow her to come along to serve as a translator, the military officials decided to release him and arrest her instead. Gary Maldonado alleges authorities initially demanded $5,000 for his wife's release, but the bribe fell through.

"Here, we are guilty until you are proven innocent," he said after the court hearing.

Maldonado's lawyer said there is no bail in serious criminal cases in Mexico, and that included the drug smuggling charge she faced. Instead, he had to gather evidence that could clear her before a judge, and he praised the bus company for gathering the video evidence and providing a list of fellow passengers who could back up her claims.

"I as a defense attorney have to prove her innocence," her lawyer said Friday. "After I got the evidence I knew I would win."

The Maldonados were traveling home to the Phoenix suburb of Goodyear after attending her aunt's funeral in the city of Los Mochis when they were arrested.

The bus passed through at least two checkpoints on the way to the border without incident. In the town of Querobabi in the border state of Sonora, all the passengers were ordered off the bus and a soldier searched the interior as they waited. The soldier exited and told his superiors that packets of drugs had been found under seat 39, Yanira Maldonado's, and another seat, number 42. Her husband was in seat 40.

Gary Maldonado said a man sitting behind them on the bus fled during the inspection. He said the man might have been the true owner of the drugs.

About 40 people were on the bus before the inspection, but Gary Maldonado said he was the only passenger who appeared American.

Mexican officials provided local media with photos that they said were of the packages Maldonado was accused of smuggling. Each was about 5 inches high and 20 inches wide, roughly the width of a bus seat. The marijuana was packed into plastic bags and wrapped in tan packing tape.

The couple had previously traveled on commercial buses through Mexico because they felt it was safer than driving a personal vehicle.

Yanira Maldonado is a naturalized U.S. citizen who was born in Mexico, her family said. She and her husband have seven children from previous marriages. The couple celebrated their first wedding anniversary while she was jailed.

Drug traffickers have increasingly been using passenger buses to move U.S.-bound drugs through Mexico. Federal agents and soldiers have set up checkpoints along Mexico's main highways and have routinely seized cocaine, marijuana, heroin and more from buses.

Mexico's justice system is carried out largely in secret, with proceedings done almost entirely in writing.

Four years ago, Mexico decriminalized the possession of small amounts of marijuana, cocaine and heroin, but it still has stiff penalties for drug trafficking.

Mexican law doesn't specify a minimum or maximum sentence in drug crimes and leaves it up to the judge to decide how long the sentence should be, said Jose Luis Manjarrez, a spokesman for federal prosecutors in Mexico.

On Wednesday, an army lieutenant, a private and another sergeant were supposed to appear in court but they did not show up. The army did not explain why, the couple's lawyer said.

A search of court records in Arizona turned up no drug-related charges against Yanira or Gary Maldonado.

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